ISL9187 Intersil Corporation, ISL9187 Datasheet - Page 4

• Manufacturer Part Number: ISL9187
• Description: (ISL9107 / ISL9108) 1.5A 1.6MHz Low Quiescent Current High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

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Typical Operating Performance
FIGURE 3. EFFICIENCY vs LOAD CURRENT (V
FIGURE 1. EFFICIENY vs LOAD CURRENT (V
100
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
0
0
V
IN
= 3.6V
EFFICIENCY @ 4.2V
500
LOAD CURRENT (mA)
LOAD CURRENT (mA)
500
EFFICIENCY @ 3.6V
4
V
IN
= 4.2V
FIGURE 5. I
1000
EFFICIENCY @ 2.7V
1000
8
7
6
5
4
3
2
1
0
2.7
OUT
OUT
Q
vs V
= 3.3V)
= 1.6V)
ISL9107, ISL9108
1500
3.4
IN
1500
(MODE = GND, V
INPUT VOLTAGE (V)
4.1
FIGURE 2. EFFICIENCY vs LOAD CURRENT (V
FIGURE 4. I
OUT
100
95
90
85
80
75
70
65
60
55
50
30
25
20
15
10
5
0
2.7
0
= 1.6V, I
4.8
V
IN
Q
= 3.6V
OUT
vs V
3.4
= 0)
5.5
IN
(MODE = V
500
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
4.1
IN
, V
V
IN
OUT
= 4.2V
1000
= 1.6V, I
4.8
December 21, 2007
OUT
OUT
= 2.5V)
= 0)
FN6612.0
1500
5.5